Package Name:com.nexus.koitycoon
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About Koi Tycoon
Build your own Koi fish company and grow your business
An addictive idle merging game. Build your own Koi fish company and grow your business. Release your Koi fishes into the pond and earn money every time they cross the finish line. Buy new Koi fishes (or collect them from the gift boxes), and merge the same level Koi fishes to upgrade into a new type. The higher-level of the Koi fishes, the more money you will earn. Use your earnings to buy upgrade packages in the Shop to help you make money faster!
What's new in the latest 1.0
Last updated on Mar 23, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Gameplay and Screenshots
Old Versions of Koi Tycoon
41.8 MBMar 23, 2026
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One-click to install XAPK/APK files on Android!
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